114 lines
5.1 KiB
Nim
114 lines
5.1 KiB
Nim
# beacon_chain
|
|
# Copyright (c) 2018 Status Research & Development GmbH
|
|
# Licensed and distributed under either of
|
|
# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
|
|
# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
|
|
# at your option. This file may not be copied, modified, or distributed except according to those terms.
|
|
|
|
import
|
|
# Standard libs
|
|
ospaths, strutils, json, unittest, strformat,
|
|
# Third parties
|
|
byteutils,
|
|
# Beacon chain internals
|
|
../../beacon_chain/spec/[datatypes, crypto, digest, beaconstate],
|
|
../../beacon_chain/[ssz, state_transition],
|
|
# Test utilities
|
|
./state_test_utils
|
|
|
|
const TestFolder = currentSourcePath.rsplit(DirSep, 1)[0]
|
|
const TestsPath = "fixtures" / "json_tests" / "state" / "sanity-check_default-config_100-vals.json"
|
|
|
|
|
|
var stateTests: StateTest
|
|
suite "Official - State tests": # Initializing a beacon state from the deposits
|
|
# Source: https://github.com/ethereum/eth2.0-specs/blob/2baa242ac004b0475604c4c4ef4315e14f56c5c7/tests/phase0/test_sanity.py#L55-L460
|
|
test "Parsing the official state tests into Nimbus beacon types":
|
|
stateTests = parseStateTests(TestFolder / TestsPath)
|
|
doAssert $stateTests.test_cases[0].name == "test_empty_block_transition"
|
|
|
|
test "[For information - Non-blocking] Block root signing":
|
|
# TODO: Currently we are unable to use the official EF tests:
|
|
# - The provided zero signature "0x0000..." is an invalid compressed BLS signature
|
|
# - Block headers are using that signature
|
|
# - Block processing checks that block.previous_block_root == signing_root(state.latest_block_header)
|
|
# -> Changing EF provided previous_block_root would render the block transition tests meaningless
|
|
# -> Changing the signature to a valid "0xc000..." makes all hashes/signing_root wrong ...
|
|
#
|
|
# So we only test that block header signing in Nimbus matches block header signing from the EF
|
|
# And we can't deserialize from the raw YAML/JSON to avoid sanity checks on the signature
|
|
|
|
# TODO: Move that in an actual SSZ test suite
|
|
|
|
block: # sanity-check_default-config_100-vals.yaml - test "test_empty_block_transition"
|
|
let header = BeaconBlockHeader(
|
|
slot: Slot(4294967296),
|
|
previous_block_root: ZERO_HASH,
|
|
state_root: ZERO_HASH,
|
|
block_body_root: Eth2Digest(data:
|
|
hexToByteArray[32]("0x13f2001ff0ee4a528b3c43f63d70a997aefca990ed8eada2223ee6ec3807f7cc")
|
|
),
|
|
signature: ValidatorSig()
|
|
)
|
|
let previous_block_root = Eth2Digest(data:
|
|
hexToByteArray[32]("0x1179346f489d8be1731377cb199af5cc61faa38353e2d67e096bed182677062a")
|
|
)
|
|
echo " Expected previous block root: 0x", previous_block_root
|
|
echo " Computed header signed root: 0x", signing_root(header)
|
|
|
|
test "[For information] Print list of official tests to implement":
|
|
for i, test in stateTests.test_cases:
|
|
echo &" Test #{i:03}: {test.name}"
|
|
|
|
# test "Empty block transition":
|
|
# # TODO - assert that the constants match
|
|
# var state: BeaconState
|
|
# doAssert stateTests.test_cases[0].name == "test_empty_block_transition"
|
|
|
|
# template tcase(): untyped {.dirty.} =
|
|
# # Alias
|
|
# stateTests.test_cases[0]
|
|
|
|
# deepCopy(state, tcase.initial_state)
|
|
|
|
# # Use the provided empty block
|
|
# # Alternatively, generate one with `build_empty_block_for_next_slot`
|
|
# let blck = tcase.blocks[0]
|
|
# debugEcho blck.previous_block_root
|
|
|
|
# let ok = updateState(state, blck, flags = {})
|
|
# check:
|
|
# ok
|
|
# tcase.expected_state.eth1_data_votes.len == state.eth1_data_votes.len + 1
|
|
# get_block_root(tcase.expected_state, state.slot) == blck.previous_block_root
|
|
|
|
suite "[For information - non-blocking] Extra state tests":
|
|
var initialState: BeaconState
|
|
test "Initializing from scratch a new beacon chain with the same constants and deposit configuration as official state test 0":
|
|
var deposits: seq[Deposit]
|
|
var index = 0'u64
|
|
for v in stateTests.test_cases[0].initial_state.validator_registry:
|
|
deposits.add Deposit(
|
|
proof: default(array[DEPOSIT_CONTRACT_TREE_DEPTH, Eth2Digest]),
|
|
index: index,
|
|
data: DepositData(
|
|
amount: 32000000000'u64, # TODO: read that from validator_balances
|
|
timestamp: 0'u64, # TODO: not initialized in test
|
|
deposit_input: DepositInput(
|
|
pubkey: v.pubkey,
|
|
withdrawal_credentials: v.withdrawal_credentials,
|
|
proof_of_possession: default(ValidatorSig) # TODO: not initialized in test
|
|
)
|
|
)
|
|
)
|
|
|
|
initialState = get_genesis_beacon_state(
|
|
genesis_validator_deposits = deposits,
|
|
genesis_time = 0,
|
|
genesis_eth1_data = Eth1Data()
|
|
)
|
|
test "Comparing state hashes":
|
|
# TODO - Add official hashes when available
|
|
# TODO - Make that a blocking test requirement
|
|
echo " Deserialized state hash: 0x" & $stateTests.test_cases[0].initial_state.hash_tree_root()
|
|
echo " From-scratch state hash: 0x" & $initialState.hash_tree_root() |